text-readability-ts

npm package includes TypeScript and is designed to calculate various statistics from text in order to determine the readability, complexity, and grade level of a given corpus.

lang-exts-map

Get the language associated with a file extension or the extensions associated with a language using the data from GitHub's [Linguist YAML file](https://github.com/github/linguist/blob/master/lib/linguist/languages.yml)